Bump parallel from 1.14.0 to 1.15.0 in /Library/Homebrew
Bump parallel from 1.14.0 to 1.15.0 in /Library/Homebrew

Bumps [parallel](https://github.com/grosser/parallel) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/grosser/parallel/releases)
- [Commits](https://github.com/grosser/parallel/compare/v1.14.0...v1.15.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
reitermarkus/brew,konqui/brew,EricFromCanada/brew,nandub/brew,claui/brew,vitorgalvao/brew,konqui/brew,sjackman/homebrew,Homebrew/brew,JCount/brew,claui/brew,nandub/brew,MikeMcQuaid/brew,nandub/brew,vitorgalvao/brew,Homebrew/brew,mahori/brew,JCount/brew,mahori/brew,mahori/brew,JCount/brew,MikeMcQuaid/brew,JCount/brew,claui/brew,Homebrew/brew,Homebrew/brew,vitorgalvao/brew,konqui/brew,reitermarkus/brew,vitorgalvao/brew,EricFromCanada/brew,MikeMcQuaid/brew,reitermarkus/brew,konqui/brew,sjackman/homebrew,sjackman/homebrew,sjackman/homebrew,reitermarkus/brew,MikeMcQuaid/brew,mahori/brew,nandub/brew,EricFromCanada/brew,claui/brew,EricFromCanada/brew